Prestige Class: Archdevil Ascension X

You achieve true infusion of infernal essence and bind your soul to one of the nine hells of Baator. When you reach 0 hit points on any plane besides the hell of your fiefdom, you revive in your fiefdom at a location you predetermine as if revived by the True Resurrection. When you are reduced to 0 hit points in the hell of your fiefdom, you make death saving throws normally.